# Backwoods Forest - Friend and Foe errror

**URL:** <https://discourse.codecombat.com/t/backwoods-forest-friend-and-foe-errror/7477>\
**Category:** Uncategorized\
**Created:** [May 7, 2016, 5:32am UTC](https://discourse.codecombat.com/t/backwoods-forest-friend-and-foe-errror/7477 "2016-05-07T05:32:53Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![boris.shrayner](https://avatars.discourse-cdn.com/v4/letter/b/b5e925/32.png) [@boris.shrayner](https://discourse.codecombat.com/u/boris.shrayner)\
**Post date:** [May 7, 2016, 5:32am UTC](https://discourse.codecombat.com/t/backwoods-forest-friend-and-foe-errror/7477/1 "2016-05-07T05:32:53Z")

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Java script code

 ![](https://us1.discourse-cdn.com/flex016/uploads/codecombat/original/2X/5/539afdb298e4d5d5ed1ca4aeb8cdcc46757f3637.png)  
Error - “TypeError - Can’t read protected property: findNearestFriend”.  
what am I doing wrong?

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**Author:** ![UltCombo](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.codecombat.com/ultcombo/32/3822_2.png) [@UltCombo](https://discourse.codecombat.com/u/UltCombo)\
**Post date:** [May 7, 2016, 7:58pm UTC](https://discourse.codecombat.com/t/backwoods-forest-friend-and-foe-errror/7477/2 "2016-05-07T19:58:03Z")

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Your code looks fine to me.

Maybe this is a bug in Aether/Esper? @nick @rob

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**Author:** ![nick](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.codecombat.com/nick/32/784_2.png) [@nick](https://discourse.codecombat.com/u/nick)\
**Post date:** [May 8, 2016, 3:08pm UTC](https://discourse.codecombat.com/t/backwoods-forest-friend-and-foe-errror/7477/3 "2016-05-08T15:08:43Z")

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Does it work if you explicitly turn Esper off? [http://codecombat.com/play/level/friend-and-foe?esper=false](http://codecombat.com/play/level/friend-and-foe?esper=false)

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**Author:** ![boris.shrayner](https://avatars.discourse-cdn.com/v4/letter/b/b5e925/32.png) [@boris.shrayner](https://discourse.codecombat.com/u/boris.shrayner)\
**Post date:** [May 8, 2016, 5:00pm UTC](https://discourse.codecombat.com/t/backwoods-forest-friend-and-foe-errror/7477/4 "2016-05-08T17:00:23Z")

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Yes, it working.  
No error in: [http://codecombat.com/play/level/friend-and-foe?esper=false](http://codecombat.com/play/level/friend-and-foe?esper=false)